Home / 92,614,752.80-138,886,816.80-31,187,419.28

Finding the Fourth Proportional to 92,614,752.80, 138,886,816.80 and 31,187,419.28

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Solution

The fourth proportional to 92,614,752.80, 138,886,816.80 and 31,187,419.28 is: 46,769,237.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,614,752.80 : 138,886,816.80 = 31,187,419.28 : x
  2. Step 2: Convert to fraction form
    92,614,752.80/138,886,816.80 = 31,187,419.28/x
  3. Step 3: Cross multiply
    92,614,752.80x = 138,886,816.80 × 31,187,419.28
  4. Step 4: Simplify right side
    92,614,752.80x = 4,331,521,388,006,148.50
  5. Step 5: Solve for x
    x = 4,331,521,388,006,148.50/92,614,752.80
  6. Step 6: Final answer
    x = 46,769,237.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.